The two girls are so alike that strangers find________difficult to tell one from the other.
| A．it | B．them | C．her | D．that |
As a teacher, I seldom give my students so difficult a problem ________ they can not work out.
| A．that | B．if | C．in order that | D．as |
— Do you like a house with no garden?
—________. But anyhow, it's better to have one than none.
| A．Not really | B．Not especially | C．Not a bit | D．Not a little |
Being determined is a kind of quality and that’s ________ it takes to do anything properly.
| A．how | B．which | C．where | D．what |
Before making your speech, you’d better ________ your thoughts and ideas.
| A．collect | B．gather | C．get | D．prepare |
—Did you remember to give Jenny the money?
—Yes. ________ I saw her, I'm sure.
| A．So long as | B．So far as | C．The moment | D．Any time |